Issued Patents 2018
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10125284 | Aqueous ink, ink cartridge, and ink jet recording method | Keigo Gouda, Shin-ichi Hakamada, Hisao Kamo, Hitoshi Nagashima, Daiji Okamura +3 more | 2018-11-13 |
| 9884505 | Recording medium and process for producing same | Shinya Yumoto, Hisao Kamo, Tetsuro Noguchi | 2018-02-06 |